EP0478904A3 - Apparatus for screening digital commands - Google Patents

Apparatus for screening digital commands Download PDF

Info

Publication number
EP0478904A3
EP0478904A3 EP9191111598A EP91111598A EP0478904A3 EP 0478904 A3 EP0478904 A3 EP 0478904A3 EP 9191111598 A EP9191111598 A EP 9191111598A EP 91111598 A EP91111598 A EP 91111598A EP 0478904 A3 EP0478904 A3 EP 0478904A3
Authority
EP
European Patent Office
Prior art keywords
digital commands
screening digital
screening
commands
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP9191111598A
Other versions
EP0478904A2 (en
Inventor
Adrian Stephen Butter
Hugh Curtis Holland
Thomas Brian Mathias
Gary Alan Zisko
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0478904A2 publication Critical patent/EP0478904A2/en
Publication of EP0478904A3 publication Critical patent/EP0478904A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline, look ahead using a slave processor, e.g. coprocessor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
EP9191111598A 1990-08-31 1991-07-12 Apparatus for screening digital commands Withdrawn EP0478904A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/575,578 US5519873A (en) 1990-08-31 1990-08-31 Apparatus for switching digital command execution between a general purpose microprocessor and dedicted execution logic
US575578 1990-08-31

Publications (2)

Publication Number Publication Date
EP0478904A2 EP0478904A2 (en) 1992-04-08
EP0478904A3 true EP0478904A3 (en) 1994-10-05

Family

ID=24300876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP9191111598A Withdrawn EP0478904A3 (en) 1990-08-31 1991-07-12 Apparatus for screening digital commands

Country Status (3)

Country Link
US (1) US5519873A (en)
EP (1) EP0478904A3 (en)
JP (1) JPH07117896B2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758141A (en) * 1995-02-10 1998-05-26 International Business Machines Corporation Method and system for selective support of non-architected instructions within a superscaler processor system utilizing a special access bit within a machine state register
US5930490A (en) * 1996-01-02 1999-07-27 Advanced Micro Devices, Inc. Microprocessor configured to switch instruction sets upon detection of a plurality of consecutive instructions
US5790824A (en) * 1996-03-18 1998-08-04 Advanced Micro Devices, Inc. Central processing unit including a DSP function preprocessor which scans instruction sequences for DSP functions
US5794068A (en) * 1996-03-18 1998-08-11 Advanced Micro Devices, Inc. CPU with DSP having function preprocessor that converts instruction sequences intended to perform DSP function into DSP function identifier
US5781792A (en) * 1996-03-18 1998-07-14 Advanced Micro Devices, Inc. CPU with DSP having decoder that detects and converts instruction sequences intended to perform DSP function into DSP function identifier
US5784640A (en) * 1996-03-18 1998-07-21 Advanced Micro Devices, Inc. CPU with DSP function preprocessor having look-up table for translating instruction sequences intended to perform DSP function into DSP macros
US5754878A (en) * 1996-03-18 1998-05-19 Advanced Micro Devices, Inc. CPU with DSP function preprocessor having pattern recognition detector that uses table for translating instruction sequences intended to perform DSP function into DSP macros
US6032247A (en) * 1996-03-18 2000-02-29 Advanced Micro Devices, Incs. Central processing unit including APX and DSP cores which receives and processes APX and DSP instructions
US6085314A (en) * 1996-03-18 2000-07-04 Advnced Micro Devices, Inc. Central processing unit including APX and DSP cores and including selectable APX and DSP execution modes
US6658552B1 (en) * 1998-10-23 2003-12-02 Micron Technology, Inc. Processing system with separate general purpose execution unit and data string manipulation unit
US6865663B2 (en) * 2000-02-24 2005-03-08 Pts Corporation Control processor dynamically loading shadow instruction register associated with memory entry of coprocessor in flexible coupling mode
US7149878B1 (en) 2000-10-30 2006-12-12 Mips Technologies, Inc. Changing instruction set architecture mode by comparison of current instruction execution address with boundary address register values
US6832305B2 (en) * 2001-03-14 2004-12-14 Samsung Electronics Co., Ltd. Method and apparatus for executing coprocessor instructions
US7162716B2 (en) * 2001-06-08 2007-01-09 Nvidia Corporation Software emulator for optimizing application-programmable vertex processing
US7107439B2 (en) * 2001-08-10 2006-09-12 Mips Technologies, Inc. System and method of controlling software decompression through exceptions
GB0125711D0 (en) * 2001-10-26 2001-12-19 Ibm In-memory arithmetic
US7707389B2 (en) * 2003-10-31 2010-04-27 Mips Technologies, Inc. Multi-ISA instruction fetch unit for a processor, and applications thereof
JP4483271B2 (en) * 2003-11-19 2010-06-16 ソニー株式会社 Wireless communication apparatus and response data processing method for wireless communication apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205949A2 (en) * 1985-06-17 1986-12-30 International Business Machines Corporation Emulator for computer system input-output adapters
JPS625439A (en) * 1985-07-01 1987-01-12 Fujitsu Ltd Instruction code expansion system
US4812975A (en) * 1983-07-11 1989-03-14 Hitachi, Ltd. Emulation method
WO1990016027A1 (en) * 1989-06-15 1990-12-27 Wang Laboratories, Inc. Information processing system emulation apparatus and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678467A (en) * 1970-10-20 1972-07-18 Bell Telephone Labor Inc Multiprocessor with cooperative program execution
JPS55124847A (en) * 1979-03-19 1980-09-26 Mitsubishi Electric Corp Data processor
JPS585845A (en) * 1981-07-02 1983-01-13 Nec Corp Microprocessor
US4514804A (en) * 1981-11-25 1985-04-30 Nippon Electric Co., Ltd. Information handling apparatus having a high speed instruction-executing function
JPS58182758A (en) * 1982-04-20 1983-10-25 Toshiba Corp Arithmetic controller
JPS61229134A (en) * 1985-04-03 1986-10-13 Nec Corp Microcomputer
US5226122A (en) * 1987-08-21 1993-07-06 Compaq Computer Corp. Programmable logic system for filtering commands to a microprocessor
US5148525A (en) * 1987-11-30 1992-09-15 Nec Corporation Microprogram-controlled type bus control circuit
JPH02122364A (en) * 1988-11-01 1990-05-10 Ibiden Co Ltd Multiprocessor system
US5093908A (en) * 1989-04-17 1992-03-03 International Business Machines Corporation Method and apparatus for executing instructions in a single sequential instruction stream in a main processor and a coprocessor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812975A (en) * 1983-07-11 1989-03-14 Hitachi, Ltd. Emulation method
EP0205949A2 (en) * 1985-06-17 1986-12-30 International Business Machines Corporation Emulator for computer system input-output adapters
JPS625439A (en) * 1985-07-01 1987-01-12 Fujitsu Ltd Instruction code expansion system
WO1990016027A1 (en) * 1989-06-15 1990-12-27 Wang Laboratories, Inc. Information processing system emulation apparatus and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 177 (P - 583) 6 June 1987 (1987-06-06) *

Also Published As

Publication number Publication date
JPH07117896B2 (en) 1995-12-18
JPH04245331A (en) 1992-09-01
EP0478904A2 (en) 1992-04-08
US5519873A (en) 1996-05-21

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